.nav{
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    background-color: #fff;
    z-index: 99;
    .item{
        flex: 1;
        text-align: center;
        color: #333;
        padding: .2rem 0 .1rem;
        .icon{
            font-size: .4rem;
            color: inherit;
        }
        .titel{
            color: inherit;
            font-size: .12rem;
        }
        
        &.active{
            color: #ffafc9;
        }
    }
}